Boiler furnace and feed-water heater.



J. R. SURRELL. BOILER FURNACE AND FEED WATER HEATE APPLICATION FILED my.25 1911 RENEWED MAR.11,1913. 1,967,494.

Patented July 15, 1913.

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W/T/VESSES @a J. R. SURRELL. BOILER FURNACE AND FEED WATER HEATER.APPLICATION FILED NOV. 25, 1911. RENBWEDMAR.11, 1913. 1,0 7,494 PatentedJuly 15,1913.

4 SHEETS-SHEET Z.

WITNESSES 1,057,49 Patented July 15, 1913.

4 SHEETS-SHEET 3.

WIT NESSES R. SURRBLL. BOILER FURNACE AND FEED WATER. HEATER.APPLICATION FILED NOV. 25, 1911. 1,067,49%=

RENEWED HAR.11,1913.

Patented July 15, 1913.

4 SHEET$-SHEET 4.

[WENTOR 254; 7

ATTORNEY WIT/V5885; I

ii-z 1.3m

Specification of Letters latcnt.

JOHN RALPH SUREELL, OF NLE'W" YGRK, N. Y.

BOILER- FURNACE AND lP'nibenifiedi July 315, 12313..

Application filed lloi einber 25, 1911, Serial No 662,349. Renewed 311212011 11, 3.813. Serial No. 753,592.

'. '0 all whom-1'1- may concern Be it known that l, JOHN RALPH Sonnnnr,:1 subject of Greer Britain, residing in the borough of Mnnhai'tan of(he city of New York, in the county and Slate of New York,

have invented ii new and useful Boiler Furnace and Feedater Healer, ofwhich the following is a specification.

My inreniion relates lo a boiler furnace and feed wafer healer providedwith fuel combustion clnunber fed from above having \vi lhiu it a set ofiII OBS or piping which forms in its interior chamber for air and gases,the healed wafer being conveyed through said pipes lo the water surfaceof u steam boiler while the heat and flames are conveyed from thechamber for air and gases formed by said set of piping lo the heat areasof ihe steam boiler, 21 suction draft being provided through thechnmberfor air mic gases whereby 2i downward draft is caused in the fuelcombustion chamber when ihe fuel combustion chamber is open at its top,no up draft being introduced from below the grate.

The objects of my invention are (0 proride a boiler furnace and feedwui'er healer of great eihciency in the gGll8Ifll lOD ()f steam by :1quick burning fire with small coal consumption and the extraction of alarge percentage of heat units therefrom where high steam pressure isdesired, and llSO 2i boiler furnace and feed water heater for low pressure purposes, such as building heating, where :1 slow burning fire isdesired with small coal consumption and the extra on of a highpercentage of heat unils thercirom. l iitfuin these objects by thedevice illustrated in ihe accompanying \lrowings in which- Figure 1. aplan View of my boiler furnace and feed water heuier. ig. 2, a lrnllongitudinal section of my boiler furis a cross-section of my boilerfurnace and feed water healer. 4:, is a front elevation of nmodification of my boiler iurnace and feed Wafer, heater. Fig. 5 is nside elevation of the modification of my boiler furi'nice and feed waterheater.

Similar numerals ref r to similar parts througl'iout the several views.

My boiler furnace and feed water heater comprises a fuel combustionchamber, 16, having a grate, 12, and an ash-pit, 13, a

the sides or walls of the fuel combustion us well as the other portionsthereof Where necessary, are water cooled, unless the fuel. combustionchamber, 10, is constructed of the top and adapted to be fed with fuelat that point; it is provided with opening and closing doors, ll, forthe top, suitable doors for cleaning out, a grate, 12, and an ash-pit-,

tended to be admitted thereto, as a draft introduced inf-o (he ash-pit,13, would interfere with the down dri fl through the fuel combustionchamber, '10, hereinafter described.

The fuel combustion chamber, 10, comprises in cross-scction Fig. 3, thespace between the interior of the sides of my boiler furnace and feedwafer heater and the exicrior of The setv of piping. 16, and the.exterior of. fhc sides f the water drum, 14:.

The grate. l -s locnled on or above the plane of the bottom of he writerdrum, 14;, and below ihe lower ends of the set of piping, 16, theinteniion being to prevent the passage of fuel beneath the water drum,1%, which would interfere with the efi'eciireness of the downward draftthrough the fuel combustion chamber, 10. The Water drum, 141. isarranged within the fuel com: bustion chamber, 10, on the middle lineand extending longitudinally thereof and is provided with a waterconnect-ion, 15. Water pipes, 16, are inserted or introduced at theirlower ends into the upper surface of the writer drum, lei, and at theirupper ends into the water space or chamber of the steam boiler directlyconnecting the water drum, 1%, with the water space of the boiler toallow the passage of hot water or steam from the weler drum to the steamboiler, such 13, which is air light, that is, no draft is in-'- ussochamber, 10, being the sides or walls of my boiler furnace and feedwater heater, Wlnch,'

fire brick or other non-combustible material. The fuel combustionchamber, 10, is open Elli boiler forming a chamber, 17, for a gases. Therear of the chamber,

heat and flame between them from the arrangement permitting even andsilica tiYe distribution to the steam boiler;

' The Water pipes, 16, may extend around under the forward end of thesteam boileras shown in Figs. 1 and 2, or the forwardly extendingportion may be omitted and the pipes lie only in a line with each sideof the Water drum, 14, and tenninating near the forward and rear endsthereof. 3 1c Water pipes, 16, are arranged in the water drum, 14, andin their connection with Water chamber of the steam boiler so there is asmall space between the eat-e1 of awvater pipe and the exterior of the ajacentwater pipe to allow the o combustion chamber, 10, the interiorspace resultingfrom the disposition of the w pipes, 16, in the waterdrum, 1%, and c nection with the --wate1' space of ilHE SiQ-ZUK} '7 J- vair and gases is connected with a heat 0 18, which may be water cooled wsary, so that the heat from the 17, for air and gases passes 1111iaround the end of the boiler and three 3b the heat fiues thereof to thestack, 15), a suction draft thus being produced in he chamber, 17, forainand gases and thence thro' ah the heat flues of the boiler to thestack, the

effect of this suction being to produce a downward draft through thefuel combos tion chamber, 10, and thence between the pipes, 16, into thechamber, 17, for air and gases the covers at the top of the fuelcoinbustion chamber, 10, being left open to pen mit this. But instead ofthe heat case, 18, any suitable means may be used to provide a suctiondraft through the chamber, 17, for air and gases, and thence through theheat fines of the boiler to the stack, in their disposition in the waterdrum, is, andthe steam boiler the water pipes, 16, branch outwardly, theeffect being that the chemo-e1",

' 17, for air and gases formed by them is wider at its top than at itsbottom, the intention being to provide greater space for heat andcombustion at the top of the chamber, 17 and also through the convergingof the pipes, 16, at their lower ends to provide for the free and fulldisposition of the fuel in the fuel combustion chamber, 10, with thegreater fuel space at the bottom thereoi, and also preventing thepassage the fuel between the spaces between the water 16, into thechamber, 17, for air and by permitting a direct fall of the :t'uel inthe combustion chamber, 10.

An air or steam jet, 20, may be placed near the forward end of thechambei', 1"1, for air and ghsesythe jet when steam is used beingconnected with the boil r, or with an outside source when there is nosteam pressure yet on the boiler. The jet, 20, extends th'i'flilj tin; ii in l cram, is chamber, 17, i an and g d gases,

iber, ii

, steam boiler, and coo-ted the device 1 :nience oil menu non whic.joined together form the heatthe sections being connected by i .ie meanssuch as horizontally extendinc rods and nuts, and the water cooled porthe water drum being joined to.

n other suitable in: is pt'iwided with s11 .ly azi'uangcd relative tothe italic? drum, li t, and the pipes, 16, as in the other form of mydevice, an cit-tight ashpit, convcnie; placed main clean out doors, andclean out doors, 255, with the chamber, 1i", air andggases, having adamper wisich introduces air into said chamber to provide a C "itthrough said oozing: f

chan'ilta fawn front towai l its 'i'he opciatzon of my boiler inrnaceand feed ex* is follows: The fuel comb!" (a war, 10, having been filledwith i .ghted, the covers oi. the

chutes, it, being; left open, the draft from the stack oi. chimney by:mea sg'cf the communication with the chamber, 1?, 1.20611065 a suctionin ti haniber, 17, which causes a downward dim QFOBglfl the coal in thefuel combustion chamber, 10, which oasses through between the piping,16, resulting in most efficient coi'ninistion of the fuel, the heat anddams from the fuel be tween the pi,' 16, into the c saber, i7, for airand and thence to the heat areas of the 062111 boiler, while the hotwater and steam in the pipes, 1e, con-= vcyed to the w r chainliles ofthe steam boiler, the ins and efficiency oi? the lire l 1 n chamber,10,- being when desired by the introduction in me met , each connectingof air or steam In the case of tau rice the operation. instead of thepi; creased draft the darn comn'mnicating with the chains V and gases isopened invention the lire ii covers or doc: 1, the top of the combust-ion chair l and shutting oil the 20, or closing the dam such jet ordc e l H- ring full descri claim:

1. A be for steam forms u by closing the iaee'and f harms ijl bOliCl 'iprising a chamber fed the top and an ash-pit, a ilibfi d the comb tiontherein in ccplying piping mount chamber with with the cat pipes thereofcon and the chamber of the sccam boiler for delivering the heated waterdirectly there-to, said set of 'pip g a chamher for air and within ia,means for communication between chamber for air and gases and the heatare s of the steam boiler whereby a suction do is provided thrcaigh thechamber for air and and downward draft is provided fuel combustionchamber when l bustion ch her is opi combustion c a ll. nace feed fuelcombustion hf. a grate rum located n cross of the and the exterior of heside; or

drum, and said ash-pit being airstantially as orth.

- 2. A boiler furnace and feed water and heat areas said boiler furnaceand reed water heater comprising a fuel combustion chamber fed from thep having a a and an aslrpit, water diam located. within the fuelcombustion chamber with the fuel therein in contact therewith, means itplying water to the water drum, a set or piping mounted in said fuelcombustion cham her with the fuel therein in contact with the exteriorof said of piping the pip-cs there of connecting thb water drum and theu tor chamber o'fllie sl H11 boiler for (lQ'llYCi the heated walcrQfi'lfv' thereto said set of piping forming a chaz'ubcr for air andgases within it, means for communication between said chamber for ai andthe heat areas of the size draft is provi air and gase and a downwarddraft is pro vlded through the fuel combustion chamber when. the fuel.combustion chamber is open its top, said fuel combustion chamber bef.

piping arranged therein\to provide downwardlj/ increasing space for thedisposition of fuel between the cxleiyhuof the set of piping and theinterior of the sides of said chamber and said ash-pit being air-light;

A boiler furnace and feed water healer for steam boilers having a walerchamber and heal areas, said boiler furnace and feed water heatercomprising a fuel combustion 8G necting the water drum and the waterchanr her of the steam boiler, said set of piping forming a chamber forair and gases within it, means for communication between said chamberfor air and gases and the heat areas of the steam boiler whereby asuction draft is provided through the chamber for air and gases anddownward draft is provided =1 hrough the fuel combustion chamber whenthe fuel combustion chamber is open at its 1? if m in cross-section andsaid set of 70 ater to the 85 top, said fuel-crunluislion chambercompris- 1 g in cross-section the space between the sides of the/boilerfurnace and feed water heater and the exterior of aid set of piping andthe exterior of the sides of the water rlrunn said grate being" locatedon or above no of the bottom of the water drum anu below the lower endsof said set of pipwig, id said ash-pit being air-tight; substantially asset forth.

4;. A. boiler furnace and feed Water heater for steam boilers having awater chamber and heat areas, said boiler furnace and feed water heatercon'iprising a fuel combustion chamber fed from the top having a grateand an ash-pit, a water drum located within the fuel combustion chamberlongitudinally thereof with the fuel therein in contact; therewith,means for supplying water to the water drum, :1 set of piping mounted insaid fuel combustion chamber with the fuel therein in contact with theexterior of said set of piping and the pipes'thereof directly conncctirf the uler drum and the water chamber of the steam boiler, said set ofpiping forming a chamber for air and gases within it, means forcommunication between said chamber for air and gases and the heat areasof the steam boiler whereby a suction draft is provided through thechamber for air and gases and a downward draft is provided means forconnecting the sections, each sectogether heat flue connections to theheat tion comprising a portion of the case or side areas of the steamboiler; substantially. as

of the boiler furnace and feed water heater, set forth.

two or more of the pipes of the set of piping JOHN RALPH SURRELL. 5 a.portion of the water drum and an upward Witnesses:

extending corrugation on each side of a sec- W. H. GEE,

tion forming when the sections are joined T. H. LETSON.

